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Oxygen Sensor O2
Where is the location of the PO135 heated oxygen.
1997 CADILLAC DEVILLE
Where is the location of the po135 heated oxygen sensor ho2s heater circuit bank1 sensor1(rear bank) and what does it control car just smoking and missing after po300 pop up can you help me thank you
Saturday, February 2nd, 2013 AT 10:27 PM
No connection to the issue. It is a control code for the heater in the o2 sensor only. Most likely a bad sensor and would have to be replaced.
It is on the rear exhaust manifold
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Saturday, February 2nd, 2013 AT 10:34 PM
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